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<FONT color="green">001</FONT>    package org.hackystat.sensor.ant.perforce;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.ArrayList;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Date;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.List;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Vector;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    import com.perforce.api.Change;<a name="line.8"></a>
<FONT color="green">009</FONT>    import com.perforce.api.Client;<a name="line.9"></a>
<FONT color="green">010</FONT>    import com.perforce.api.Env;<a name="line.10"></a>
<FONT color="green">011</FONT>    import com.perforce.api.FileEntry;<a name="line.11"></a>
<FONT color="green">012</FONT>    import com.perforce.api.P4Process;<a name="line.12"></a>
<FONT color="green">013</FONT>    import com.perforce.api.Utils;<a name="line.13"></a>
<FONT color="green">014</FONT>    <a name="line.14"></a>
<FONT color="green">015</FONT>    /**<a name="line.15"></a>
<FONT color="green">016</FONT>     * Provides the interface to Perforce for the sensor. This code accomplishes the following:<a name="line.16"></a>
<FONT color="green">017</FONT>     * &lt;ul&gt;<a name="line.17"></a>
<FONT color="green">018</FONT>     * &lt;li&gt; Defines a new Client with a view that maps to the Perforce depot directory of interest.  <a name="line.18"></a>
<FONT color="green">019</FONT>     * &lt;li&gt; Obtains the set of ChangeLists for a specified date interval.<a name="line.19"></a>
<FONT color="green">020</FONT>     * &lt;li&gt; Finds the set of files committed in each change list. <a name="line.20"></a>
<FONT color="green">021</FONT>     * &lt;li&gt; Performs a diff on each file to get a count of lines added, modified, and changed.<a name="line.21"></a>
<FONT color="green">022</FONT>     * &lt;/ul&gt;<a name="line.22"></a>
<FONT color="green">023</FONT>     * <a name="line.23"></a>
<FONT color="green">024</FONT>     * Note that you must create a P4Environment instance and initialize it properly before <a name="line.24"></a>
<FONT color="green">025</FONT>     * invoking the PerforceCommitProcessor.  <a name="line.25"></a>
<FONT color="green">026</FONT>     * <a name="line.26"></a>
<FONT color="green">027</FONT>     * See the main() method for example usage of this class. <a name="line.27"></a>
<FONT color="green">028</FONT>     * <a name="line.28"></a>
<FONT color="green">029</FONT>     * @author Philip Johnson<a name="line.29"></a>
<FONT color="green">030</FONT>     */<a name="line.30"></a>
<FONT color="green">031</FONT>    public class PerforceCommitProcessor {<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>      /** The Perforce depotPath associated with this processor. */<a name="line.33"></a>
<FONT color="green">034</FONT>      private String depotPath;<a name="line.34"></a>
<FONT color="green">035</FONT>      /** The Perforce Java API Env instance initialized in setupEnvironment. */<a name="line.35"></a>
<FONT color="green">036</FONT>      private Env env;<a name="line.36"></a>
<FONT color="green">037</FONT>      /** The Client workspace that will be created based upon the depotPath. */<a name="line.37"></a>
<FONT color="green">038</FONT>      private Client client;<a name="line.38"></a>
<FONT color="green">039</FONT>      /** The set of changelists and associated information we will build in this processor. */  <a name="line.39"></a>
<FONT color="green">040</FONT>      private List&lt;PerforceChangeListData&gt; changeListDataList = new ArrayList&lt;PerforceChangeListData&gt;();<a name="line.40"></a>
<FONT color="green">041</FONT>      <a name="line.41"></a>
<FONT color="green">042</FONT>      /** Controls whether the -dw option is passed to diff2. */<a name="line.42"></a>
<FONT color="green">043</FONT>      private boolean ignoreWhitespace = false;<a name="line.43"></a>
<FONT color="green">044</FONT>      <a name="line.44"></a>
<FONT color="green">045</FONT>      /** Disable the default public no-arg constructor. */<a name="line.45"></a>
<FONT color="green">046</FONT>      @SuppressWarnings("unused")<a name="line.46"></a>
<FONT color="green">047</FONT>      private PerforceCommitProcessor () {<a name="line.47"></a>
<FONT color="green">048</FONT>        // Disable default constructor.<a name="line.48"></a>
<FONT color="green">049</FONT>      }<a name="line.49"></a>
<FONT color="green">050</FONT>      <a name="line.50"></a>
<FONT color="green">051</FONT>      /**<a name="line.51"></a>
<FONT color="green">052</FONT>       * Instantiates a PerforceCommitProcessor with the passed P4Environment instance and depotPath. <a name="line.52"></a>
<FONT color="green">053</FONT>       * @param p4Environment The p4Environment. <a name="line.53"></a>
<FONT color="green">054</FONT>       * @param depotPath The depot path this processor will work on. <a name="line.54"></a>
<FONT color="green">055</FONT>       * @throws Exception If problems occur instantiating this environment. <a name="line.55"></a>
<FONT color="green">056</FONT>       */<a name="line.56"></a>
<FONT color="green">057</FONT>      public PerforceCommitProcessor(P4Environment p4Environment, String depotPath) throws Exception {<a name="line.57"></a>
<FONT color="green">058</FONT>        this.env = p4Environment.getEnv();<a name="line.58"></a>
<FONT color="green">059</FONT>        this.depotPath = depotPath;<a name="line.59"></a>
<FONT color="green">060</FONT>        this.client = createClient(env, depotPath);<a name="line.60"></a>
<FONT color="green">061</FONT>        this.env.setClient(this.client.getName());<a name="line.61"></a>
<FONT color="green">062</FONT>      }<a name="line.62"></a>
<FONT color="green">063</FONT>      <a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>      /**<a name="line.65"></a>
<FONT color="green">066</FONT>       * Creates a Perforce Client that maps the depotPath to a local workspace.<a name="line.66"></a>
<FONT color="green">067</FONT>       * This Client has a unique name which enables concurrent execution of this sensor. <a name="line.67"></a>
<FONT color="green">068</FONT>       * It will be deleted during cleanup.<a name="line.68"></a>
<FONT color="green">069</FONT>       * @param env The Env instance to be used to create this client.<a name="line.69"></a>
<FONT color="green">070</FONT>       * @param depotPath The depotPath this Client will map.   <a name="line.70"></a>
<FONT color="green">071</FONT>       * @return The newly created Client.  <a name="line.71"></a>
<FONT color="green">072</FONT>       * @throws Exception if problems occur. <a name="line.72"></a>
<FONT color="green">073</FONT>       */<a name="line.73"></a>
<FONT color="green">074</FONT>      private Client createClient(Env env, String depotPath) throws Exception {<a name="line.74"></a>
<FONT color="green">075</FONT>        String hackystatSensorClientName = "hackystat-sensor-" + (new Date()).getTime();<a name="line.75"></a>
<FONT color="green">076</FONT>        Client client = new Client(env, hackystatSensorClientName);<a name="line.76"></a>
<FONT color="green">077</FONT>        client.setRoot(System.getProperty("user.home") + "/perforcesensorsketch");<a name="line.77"></a>
<FONT color="green">078</FONT>        client.addView(depotPath, "//" + hackystatSensorClientName + "/...");<a name="line.78"></a>
<FONT color="green">079</FONT>        client.commit();<a name="line.79"></a>
<FONT color="green">080</FONT>        return client;<a name="line.80"></a>
<FONT color="green">081</FONT>      }<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>      <a name="line.83"></a>
<FONT color="green">084</FONT>      /**<a name="line.84"></a>
<FONT color="green">085</FONT>       * Processes any ChangeLists that were submitted between startData and endDate to the depotPath.<a name="line.85"></a>
<FONT color="green">086</FONT>       * @param startDate The start date, in YYYY/MM/DD format. <a name="line.86"></a>
<FONT color="green">087</FONT>       * @param endDate The end date, in YYYY/MM/DD format. <a name="line.87"></a>
<FONT color="green">088</FONT>       * @throws Exception If problems occur. <a name="line.88"></a>
<FONT color="green">089</FONT>       */<a name="line.89"></a>
<FONT color="green">090</FONT>      @SuppressWarnings("unchecked") // Vector in Perforce Java API is not generic.<a name="line.90"></a>
<FONT color="green">091</FONT>      public void processChangeLists(String startDate, String endDate) throws Exception {<a name="line.91"></a>
<FONT color="green">092</FONT>        int maximumChanges = 1000;<a name="line.92"></a>
<FONT color="green">093</FONT>        boolean useIntegrations = true;<a name="line.93"></a>
<FONT color="green">094</FONT>        String startTime = startDate + " 00:00:00";<a name="line.94"></a>
<FONT color="green">095</FONT>        String endTime = endDate + " 23:59:59";<a name="line.95"></a>
<FONT color="green">096</FONT>        Change[] changes = Change.getChanges(env, depotPath, maximumChanges, startTime, endTime,<a name="line.96"></a>
<FONT color="green">097</FONT>            useIntegrations, null);<a name="line.97"></a>
<FONT color="green">098</FONT>        for (Change changelist : changes) {<a name="line.98"></a>
<FONT color="green">099</FONT>          String owner = changelist.getUser().getId();<a name="line.99"></a>
<FONT color="green">100</FONT>          PerforceChangeListData changeListData = new PerforceChangeListData(owner, changelist<a name="line.100"></a>
<FONT color="green">101</FONT>              .getNumber(), changelist.getModtimeString());<a name="line.101"></a>
<FONT color="green">102</FONT>          changelist.sync();<a name="line.102"></a>
<FONT color="green">103</FONT>          Vector&lt;FileEntry&gt; files = changelist.getFileEntries();<a name="line.103"></a>
<FONT color="green">104</FONT>          for (FileEntry fileEntry : files) {<a name="line.104"></a>
<FONT color="green">105</FONT>            //fileEntry.sync(); // not sure if this is needed. Maybe changelist.sync() is good enough.<a name="line.105"></a>
<FONT color="green">106</FONT>            <a name="line.106"></a>
<FONT color="green">107</FONT>            // Changelists can contain files not in the user-specified depotPath, so only process <a name="line.107"></a>
<FONT color="green">108</FONT>            // files in the changelist that match the depotPath. <a name="line.108"></a>
<FONT color="green">109</FONT>            if (Utils.wildPathMatch(this.depotPath, fileEntry.getDepotPath())) {<a name="line.109"></a>
<FONT color="green">110</FONT>              // Set up defaults for size info for binary files.<a name="line.110"></a>
<FONT color="green">111</FONT>              Integer[] lineInfo = { 0, 0, 0 };<a name="line.111"></a>
<FONT color="green">112</FONT>              int totalLoc = 0;<a name="line.112"></a>
<FONT color="green">113</FONT>              // Calculate real values for text files.<a name="line.113"></a>
<FONT color="green">114</FONT>              if (isTextFile(fileEntry.getDepotPath(), changelist.getNumber())) {<a name="line.114"></a>
<FONT color="green">115</FONT>                lineInfo = getFileChangeInfo(fileEntry);<a name="line.115"></a>
<FONT color="green">116</FONT>                totalLoc = getFileSize(changelist.getNumber(), fileEntry.getDepotPath());<a name="line.116"></a>
<FONT color="green">117</FONT>              }<a name="line.117"></a>
<FONT color="green">118</FONT>              changeListData.addFileData(fileEntry.getDepotPath(), lineInfo[0], lineInfo[1],<a name="line.118"></a>
<FONT color="green">119</FONT>                  lineInfo[2], totalLoc);<a name="line.119"></a>
<FONT color="green">120</FONT>            }<a name="line.120"></a>
<FONT color="green">121</FONT>          }<a name="line.121"></a>
<FONT color="green">122</FONT>          this.changeListDataList.add(changeListData);<a name="line.122"></a>
<FONT color="green">123</FONT>        }<a name="line.123"></a>
<FONT color="green">124</FONT>      }<a name="line.124"></a>
<FONT color="green">125</FONT>      <a name="line.125"></a>
<FONT color="green">126</FONT>      /**<a name="line.126"></a>
<FONT color="green">127</FONT>       * Retrieve the list of PerforceChangeListData instances associated with this instance. <a name="line.127"></a>
<FONT color="green">128</FONT>       * @return The list of PerforceChangeListData instances.  <a name="line.128"></a>
<FONT color="green">129</FONT>       */<a name="line.129"></a>
<FONT color="green">130</FONT>      public List&lt;PerforceChangeListData&gt; getChangeListDataList() {<a name="line.130"></a>
<FONT color="green">131</FONT>        return this.changeListDataList;<a name="line.131"></a>
<FONT color="green">132</FONT>      }<a name="line.132"></a>
<FONT color="green">133</FONT>      <a name="line.133"></a>
<FONT color="green">134</FONT>      /**<a name="line.134"></a>
<FONT color="green">135</FONT>       * Controls whether the diff2 command will be passed the -dw option so that whitespace changes<a name="line.135"></a>
<FONT color="green">136</FONT>       * in the file are ignored. <a name="line.136"></a>
<FONT color="green">137</FONT>       * @param ignoreWhitespace True if whitespace changes in the file should be ignored. <a name="line.137"></a>
<FONT color="green">138</FONT>       */<a name="line.138"></a>
<FONT color="green">139</FONT>      public void setIgnoreWhitespace(boolean ignoreWhitespace) {<a name="line.139"></a>
<FONT color="green">140</FONT>        this.ignoreWhitespace = ignoreWhitespace;<a name="line.140"></a>
<FONT color="green">141</FONT>      }<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>      /**<a name="line.143"></a>
<FONT color="green">144</FONT>       * Finds out the lines added, deleted, and changed for the passed file.<a name="line.144"></a>
<FONT color="green">145</FONT>       * <a name="line.145"></a>
<FONT color="green">146</FONT>       * @param entry The FileEntry from the change list.<a name="line.146"></a>
<FONT color="green">147</FONT>       * @return A three-tuple containing the lines added, deleted, and modified for this file.<a name="line.147"></a>
<FONT color="green">148</FONT>       * @throws Exception If problems occur.   <a name="line.148"></a>
<FONT color="green">149</FONT>       */<a name="line.149"></a>
<FONT color="green">150</FONT>      private Integer[] getFileChangeInfo(FileEntry entry) throws Exception {<a name="line.150"></a>
<FONT color="green">151</FONT>        entry.sync();<a name="line.151"></a>
<FONT color="green">152</FONT>        String depotPath = entry.getDepotPath();<a name="line.152"></a>
<FONT color="green">153</FONT>        Integer[] ints = {0, 0, 0};<a name="line.153"></a>
<FONT color="green">154</FONT>        int revision = entry.getHeadRev();<a name="line.154"></a>
<FONT color="green">155</FONT>        String difference = runDiff2Command(depotPath, revision);<a name="line.155"></a>
<FONT color="green">156</FONT>        ints = processDiff2Output(difference);<a name="line.156"></a>
<FONT color="green">157</FONT>        return ints;<a name="line.157"></a>
<FONT color="green">158</FONT>      }<a name="line.158"></a>
<FONT color="green">159</FONT>    <a name="line.159"></a>
<FONT color="green">160</FONT>      /**<a name="line.160"></a>
<FONT color="green">161</FONT>       * Invokes the p4 diff2 command to obtain summary information about the differences between<a name="line.161"></a>
<FONT color="green">162</FONT>       * the two files.  Returns the output of the command.<a name="line.162"></a>
<FONT color="green">163</FONT>       * @param file The file to be diffed.<a name="line.163"></a>
<FONT color="green">164</FONT>       * @param revision The original revision number. Will be diffed against the prior revision number.<a name="line.164"></a>
<FONT color="green">165</FONT>       * @return The output from running the command. <a name="line.165"></a>
<FONT color="green">166</FONT>       * @throws Exception If problems occur.<a name="line.166"></a>
<FONT color="green">167</FONT>       */<a name="line.167"></a>
<FONT color="green">168</FONT>      private String runDiff2Command(String file, int revision) throws Exception {<a name="line.168"></a>
<FONT color="green">169</FONT>        int priorRevision = revision - 1;<a name="line.169"></a>
<FONT color="green">170</FONT>        List&lt;String&gt; cmd = new ArrayList&lt;String&gt;();<a name="line.170"></a>
<FONT color="green">171</FONT>        cmd.add("p4");<a name="line.171"></a>
<FONT color="green">172</FONT>        cmd.add("diff2");<a name="line.172"></a>
<FONT color="green">173</FONT>        cmd.add("-ds");<a name="line.173"></a>
<FONT color="green">174</FONT>        if (this.ignoreWhitespace) {<a name="line.174"></a>
<FONT color="green">175</FONT>          cmd.add("-dw");<a name="line.175"></a>
<FONT color="green">176</FONT>        }<a name="line.176"></a>
<FONT color="green">177</FONT>        cmd.add(file + "#" + priorRevision);<a name="line.177"></a>
<FONT color="green">178</FONT>        cmd.add(file + "#" + revision);<a name="line.178"></a>
<FONT color="green">179</FONT>        String[] args = cmd.toArray(new String[cmd.size()]); <a name="line.179"></a>
<FONT color="green">180</FONT>        return runP4Command(args);<a name="line.180"></a>
<FONT color="green">181</FONT>      }<a name="line.181"></a>
<FONT color="green">182</FONT>      <a name="line.182"></a>
<FONT color="green">183</FONT>      <a name="line.183"></a>
<FONT color="green">184</FONT>      /**<a name="line.184"></a>
<FONT color="green">185</FONT>       * Invokes the p4 program with the specified arguments, and returns the output as a string.<a name="line.185"></a>
<FONT color="green">186</FONT>       * @param cmd The command to be invoked. <a name="line.186"></a>
<FONT color="green">187</FONT>       * @return The output from the P4 program. <a name="line.187"></a>
<FONT color="green">188</FONT>       * @throws Exception If problems occur. <a name="line.188"></a>
<FONT color="green">189</FONT>       */<a name="line.189"></a>
<FONT color="green">190</FONT>      private String runP4Command (String[] cmd) throws Exception {<a name="line.190"></a>
<FONT color="green">191</FONT>        String l;<a name="line.191"></a>
<FONT color="green">192</FONT>        StringBuffer sb = new StringBuffer();<a name="line.192"></a>
<FONT color="green">193</FONT>        P4Process p = new P4Process(this.env);<a name="line.193"></a>
<FONT color="green">194</FONT>        p.exec(cmd);<a name="line.194"></a>
<FONT color="green">195</FONT>        while (null != (l = p.readLine())) {<a name="line.195"></a>
<FONT color="green">196</FONT>          sb.append(l);<a name="line.196"></a>
<FONT color="green">197</FONT>          sb.append('\n');<a name="line.197"></a>
<FONT color="green">198</FONT>        }<a name="line.198"></a>
<FONT color="green">199</FONT>        p.close();<a name="line.199"></a>
<FONT color="green">200</FONT>        return sb.toString();<a name="line.200"></a>
<FONT color="green">201</FONT>      }<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>      /**<a name="line.203"></a>
<FONT color="green">204</FONT>       * Calls the p4 program to delete the specified client instance. <a name="line.204"></a>
<FONT color="green">205</FONT>       * (This should really be part of the official Perforce Java API.)<a name="line.205"></a>
<FONT color="green">206</FONT>       * @param client The client to be deleted. <a name="line.206"></a>
<FONT color="green">207</FONT>       * @return The string returned by perforce. <a name="line.207"></a>
<FONT color="green">208</FONT>       * @throws Exception if problems occur. <a name="line.208"></a>
<FONT color="green">209</FONT>       */<a name="line.209"></a>
<FONT color="green">210</FONT>      private String runDeleteClientCommand(Client client) throws Exception {<a name="line.210"></a>
<FONT color="green">211</FONT>        String[] cmd = { "p4", "client", "-d", client.getName() };<a name="line.211"></a>
<FONT color="green">212</FONT>        return runP4Command(cmd);<a name="line.212"></a>
<FONT color="green">213</FONT>      }<a name="line.213"></a>
<FONT color="green">214</FONT>      <a name="line.214"></a>
<FONT color="green">215</FONT>      /**<a name="line.215"></a>
<FONT color="green">216</FONT>       * Calls the p4 program to get file size in LOC for the specified file. <a name="line.216"></a>
<FONT color="green">217</FONT>       * (This should really be part of the official Perforce Java API.)<a name="line.217"></a>
<FONT color="green">218</FONT>       * (We also shouldn't have to retrieve the whole darn file just to count the number of lines.)<a name="line.218"></a>
<FONT color="green">219</FONT>       * Only call this if the file is text.<a name="line.219"></a>
<FONT color="green">220</FONT>       * @param changelist The changelist revision we want file size for. <a name="line.220"></a>
<FONT color="green">221</FONT>       * @param file The file we want stats for. Should be in the form of a depot path.  <a name="line.221"></a>
<FONT color="green">222</FONT>       * @return The number of lines in this file. <a name="line.222"></a>
<FONT color="green">223</FONT>       * @throws Exception if problems occur. <a name="line.223"></a>
<FONT color="green">224</FONT>       */<a name="line.224"></a>
<FONT color="green">225</FONT>      private int getFileSize(int changelist, String file) throws Exception {<a name="line.225"></a>
<FONT color="green">226</FONT>        String[] cmd = { "p4", "print", file + "@" + changelist };<a name="line.226"></a>
<FONT color="green">227</FONT>        P4Process p = new P4Process(this.env);<a name="line.227"></a>
<FONT color="green">228</FONT>        p.exec(cmd);<a name="line.228"></a>
<FONT color="green">229</FONT>        int loc = 0;<a name="line.229"></a>
<FONT color="green">230</FONT>        while (null != p.readLine()) {<a name="line.230"></a>
<FONT color="green">231</FONT>          loc++;<a name="line.231"></a>
<FONT color="green">232</FONT>        }<a name="line.232"></a>
<FONT color="green">233</FONT>        p.close();<a name="line.233"></a>
<FONT color="green">234</FONT>        return loc;<a name="line.234"></a>
<FONT color="green">235</FONT>      }<a name="line.235"></a>
<FONT color="green">236</FONT>      <a name="line.236"></a>
<FONT color="green">237</FONT>      /**<a name="line.237"></a>
<FONT color="green">238</FONT>       * Calls the p4 program to get file type for the specified file, and returns true if<a name="line.238"></a>
<FONT color="green">239</FONT>       * the file type is 'text'. <a name="line.239"></a>
<FONT color="green">240</FONT>       * (This should really be part of the official Perforce Java API.)<a name="line.240"></a>
<FONT color="green">241</FONT>       * @param file The file we want stats for. Should be in the form of a depot path.  <a name="line.241"></a>
<FONT color="green">242</FONT>       * @param changelist The changelist revision we want file size for. <a name="line.242"></a>
<FONT color="green">243</FONT>       * @return True if the file type is text.<a name="line.243"></a>
<FONT color="green">244</FONT>       * @throws Exception if problems occur. <a name="line.244"></a>
<FONT color="green">245</FONT>       */<a name="line.245"></a>
<FONT color="green">246</FONT>      private boolean isTextFile(String file, int changelist) throws Exception {<a name="line.246"></a>
<FONT color="green">247</FONT>        String[] cmd = { "p4", "files", file + "@" + changelist };<a name="line.247"></a>
<FONT color="green">248</FONT>        String fileInfo = runP4Command(cmd);<a name="line.248"></a>
<FONT color="green">249</FONT>        return fileInfo.contains("(text)");<a name="line.249"></a>
<FONT color="green">250</FONT>      }<a name="line.250"></a>
<FONT color="green">251</FONT>      <a name="line.251"></a>
<FONT color="green">252</FONT>      <a name="line.252"></a>
<FONT color="green">253</FONT>      <a name="line.253"></a>
<FONT color="green">254</FONT>      /**<a name="line.254"></a>
<FONT color="green">255</FONT>       * Takes the diff2 command output, and parses it to produce an array of three integers: the<a name="line.255"></a>
<FONT color="green">256</FONT>       * lines added, the lines deleted, and the lines changed. <a name="line.256"></a>
<FONT color="green">257</FONT>       * <a name="line.257"></a>
<FONT color="green">258</FONT>       * Typical diff2 output might look like this:<a name="line.258"></a>
<FONT color="green">259</FONT>       * &lt;pre&gt;<a name="line.259"></a>
<FONT color="green">260</FONT>       * Diffing file: //depot/project/Foo.java<a name="line.260"></a>
<FONT color="green">261</FONT>       * ==== //depot/project/Foo.java#1 (text) - //depot/project/Foo.java#2 (text) ==== content<a name="line.261"></a>
<FONT color="green">262</FONT>       * add 2 chunks 6 lines<a name="line.262"></a>
<FONT color="green">263</FONT>       * deleted 0 chunks 0 lines<a name="line.263"></a>
<FONT color="green">264</FONT>       * changed 3 chunks 8 / 10 lines<a name="line.264"></a>
<FONT color="green">265</FONT>       * &lt;/pre&gt;<a name="line.265"></a>
<FONT color="green">266</FONT>       * <a name="line.266"></a>
<FONT color="green">267</FONT>       * Note that the diff2 command returns two numbers for "changed" regions of a file.  The first<a name="line.267"></a>
<FONT color="green">268</FONT>       * number is the number of lines deleted from the changed region, while the second number<a name="line.268"></a>
<FONT color="green">269</FONT>       * is the number of lines added to the changed region.   We will take the smaller of the <a name="line.269"></a>
<FONT color="green">270</FONT>       * two numbers to be the "changed" count, and then the difference between the two numbers<a name="line.270"></a>
<FONT color="green">271</FONT>       * will be added to the "add" count.  (Recommended by Greg Bylenok.)<a name="line.271"></a>
<FONT color="green">272</FONT>       *   <a name="line.272"></a>
<FONT color="green">273</FONT>       * @param output The diff2 command output<a name="line.273"></a>
<FONT color="green">274</FONT>       * @return An array of three integers containing added, deleted, and changed lines. <a name="line.274"></a>
<FONT color="green">275</FONT>       * @throws Exception If problems occur. <a name="line.275"></a>
<FONT color="green">276</FONT>       */<a name="line.276"></a>
<FONT color="green">277</FONT>      private Integer[] processDiff2Output(String output) throws Exception {<a name="line.277"></a>
<FONT color="green">278</FONT>        Integer[] ints = { 0, 0, 0 };<a name="line.278"></a>
<FONT color="green">279</FONT>        String[] lines = output.split("\\n");<a name="line.279"></a>
<FONT color="green">280</FONT>        for (String line : lines) {<a name="line.280"></a>
<FONT color="green">281</FONT>          String[] tokens = line.split("\\s");<a name="line.281"></a>
<FONT color="green">282</FONT>          String changeType = tokens[0];<a name="line.282"></a>
<FONT color="green">283</FONT>          if ("add".equals(changeType)) {<a name="line.283"></a>
<FONT color="green">284</FONT>            ints[0] += Integer.valueOf(tokens[3]);<a name="line.284"></a>
<FONT color="green">285</FONT>          }<a name="line.285"></a>
<FONT color="green">286</FONT>          if ("deleted".equals(changeType)) {<a name="line.286"></a>
<FONT color="green">287</FONT>            ints[1] += Integer.valueOf(tokens[3]);<a name="line.287"></a>
<FONT color="green">288</FONT>          }<a name="line.288"></a>
<FONT color="green">289</FONT>          if ("changed".equals(changeType)) {<a name="line.289"></a>
<FONT color="green">290</FONT>            int changedLinesDeleted = Integer.valueOf(tokens[3]);<a name="line.290"></a>
<FONT color="green">291</FONT>            int changedLinesAdded = Integer.valueOf(tokens[5]);<a name="line.291"></a>
<FONT color="green">292</FONT>            int min = Math.min(changedLinesAdded, changedLinesDeleted);<a name="line.292"></a>
<FONT color="green">293</FONT>            int diff = Math.abs(changedLinesDeleted - changedLinesAdded);<a name="line.293"></a>
<FONT color="green">294</FONT>            ints[2] += min;<a name="line.294"></a>
<FONT color="green">295</FONT>            ints[0] += diff;<a name="line.295"></a>
<FONT color="green">296</FONT>          }<a name="line.296"></a>
<FONT color="green">297</FONT>        }<a name="line.297"></a>
<FONT color="green">298</FONT>        return ints;<a name="line.298"></a>
<FONT color="green">299</FONT>      }<a name="line.299"></a>
<FONT color="green">300</FONT>      <a name="line.300"></a>
<FONT color="green">301</FONT>      /**<a name="line.301"></a>
<FONT color="green">302</FONT>       * This method should be invoked at the end of the sensor run, and will delete the client<a name="line.302"></a>
<FONT color="green">303</FONT>       * created for this task as well as invoke the Perforce library cleanUp() method.<a name="line.303"></a>
<FONT color="green">304</FONT>       * @throws Exception If problems occur. <a name="line.304"></a>
<FONT color="green">305</FONT>       */<a name="line.305"></a>
<FONT color="green">306</FONT>      public void cleanup() throws Exception {<a name="line.306"></a>
<FONT color="green">307</FONT>        this.runDeleteClientCommand(this.client);<a name="line.307"></a>
<FONT color="green">308</FONT>        Utils.cleanUp();<a name="line.308"></a>
<FONT color="green">309</FONT>      }<a name="line.309"></a>
<FONT color="green">310</FONT>    <a name="line.310"></a>
<FONT color="green">311</FONT>      /**<a name="line.311"></a>
<FONT color="green">312</FONT>       * Exercises the methods in this class manually.  Useful as a way to check that you have<a name="line.312"></a>
<FONT color="green">313</FONT>       * configured your p4 environment correctly if you are having problems with the sensor. <a name="line.313"></a>
<FONT color="green">314</FONT>       * Supply arguments in the following order. Examples given in parentheses:<a name="line.314"></a>
<FONT color="green">315</FONT>       * &lt;ul&gt;<a name="line.315"></a>
<FONT color="green">316</FONT>       * &lt;li&gt; port ("public.perforce.com:1666")<a name="line.316"></a>
<FONT color="green">317</FONT>       * &lt;li&gt; user ("philip_johnson")<a name="line.317"></a>
<FONT color="green">318</FONT>       * &lt;li&gt; password ("foo")<a name="line.318"></a>
<FONT color="green">319</FONT>       * &lt;li&gt; depotPath ("//guest/philip_johnson/...")<a name="line.319"></a>
<FONT color="green">320</FONT>       * &lt;li&gt; startDate ("2008/07/14")<a name="line.320"></a>
<FONT color="green">321</FONT>       * &lt;li&gt; endDate ("2008/07/15")<a name="line.321"></a>
<FONT color="green">322</FONT>       * &lt;/ul&gt;<a name="line.322"></a>
<FONT color="green">323</FONT>       * @param args Arguments are: port, user, password, depotPath, startDate, endDate.<a name="line.323"></a>
<FONT color="green">324</FONT>       * @throws Exception If problems occur. <a name="line.324"></a>
<FONT color="green">325</FONT>       */<a name="line.325"></a>
<FONT color="green">326</FONT>      public static void main(String[] args) throws Exception {<a name="line.326"></a>
<FONT color="green">327</FONT>        System.out.printf("Starting PerforceCommitProcessor. %nSetting up environment...");<a name="line.327"></a>
<FONT color="green">328</FONT>        P4Environment p4Env = new P4Environment();<a name="line.328"></a>
<FONT color="green">329</FONT>        p4Env.setP4Port(args[0]);<a name="line.329"></a>
<FONT color="green">330</FONT>        p4Env.setP4User(args[1]);<a name="line.330"></a>
<FONT color="green">331</FONT>        p4Env.setP4Password(args[2]);<a name="line.331"></a>
<FONT color="green">332</FONT>        p4Env.setVerbose(false); // could set this to true for lots of debugging output. <a name="line.332"></a>
<FONT color="green">333</FONT>        PerforceCommitProcessor processor = new PerforceCommitProcessor(p4Env, args[3]);<a name="line.333"></a>
<FONT color="green">334</FONT>        System.out.printf("done. %nNow retrieving change lists...");<a name="line.334"></a>
<FONT color="green">335</FONT>        processor.processChangeLists(args[4], args[5]);<a name="line.335"></a>
<FONT color="green">336</FONT>        System.out.printf("found %d changelists. %n", processor.changeListDataList.size());<a name="line.336"></a>
<FONT color="green">337</FONT>        for (PerforceChangeListData data : processor.getChangeListDataList()) {<a name="line.337"></a>
<FONT color="green">338</FONT>          System.out.println(data);<a name="line.338"></a>
<FONT color="green">339</FONT>          for (PerforceChangeListData.PerforceFileData fileData : data.getFileData()) {<a name="line.339"></a>
<FONT color="green">340</FONT>            System.out.printf("Size of %s is %d%n", fileData.getFileName(), <a name="line.340"></a>
<FONT color="green">341</FONT>                processor.getFileSize(data.getId(), fileData.getFileName()));<a name="line.341"></a>
<FONT color="green">342</FONT>          }<a name="line.342"></a>
<FONT color="green">343</FONT>        }<a name="line.343"></a>
<FONT color="green">344</FONT>        // Always make sure you call cleanup() at the end. <a name="line.344"></a>
<FONT color="green">345</FONT>        processor.cleanup();<a name="line.345"></a>
<FONT color="green">346</FONT>        System.out.printf("Finished PerforceCommitProcessor.");<a name="line.346"></a>
<FONT color="green">347</FONT>      }<a name="line.347"></a>
<FONT color="green">348</FONT>      <a name="line.348"></a>
<FONT color="green">349</FONT>    }<a name="line.349"></a>




























































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